:root{--bg: #f7f6f3;--bg-elevated: #ffffff;--ink: #12141a;--ink-secondary: #3a3f4a;--muted: #6b7280;--line: rgba(18, 20, 26, .1);--line-strong: rgba(18, 20, 26, .18);--accent: #a8843f;--accent-soft: rgba(168, 132, 63, .12);--code-bg: #f0eee9;--code-ink: #2a2e36;--radius: 12px;--font: "IBM Plex Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{background:radial-gradient(900px 480px at 85% -5%,rgba(168,132,63,.1),transparent 55%),radial-gradient(700px 420px at 0% 20%,rgba(90,110,140,.06),transparent 50%),var(--bg);background-attachment:fixed}a{color:inherit}button,input{font:inherit}.shell{width:min(1040px,calc(100% - 2.5rem));margin:0 auto}.nav{display:flex;align-items:center;justify-content:space-between;padding:1.35rem 0}.brand-mark{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--ink)}.brand-logo{display:block;width:2.25rem;height:2.25rem;object-fit:cover;border-radius:.35rem;flex-shrink:0}.wordmark{font-family:var(--font);font-size:1.35rem;font-weight:700;letter-spacing:-.06em;line-height:1;font-stretch:condensed;text-transform:none;background:linear-gradient(180deg,#1a1d24,#2e3440 55%,#5a6270);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}@supports not (background-clip: text){.wordmark{color:var(--ink);background:none;-webkit-text-fill-color:unset}}.nav-links{display:flex;gap:1.75rem;color:var(--muted);font-size:.925rem;font-weight:500}.nav-links a{text-decoration:none;transition:color .15s ease}.nav-links a:hover{color:var(--ink)}.hero{min-height:calc(100svh - 5.5rem);display:grid;align-content:center;gap:1.15rem;padding:3rem 0 4.5rem;position:relative}.hero h1{margin:0;font-size:clamp(2.15rem,5.2vw,3.35rem);font-weight:600;letter-spacing:-.035em;line-height:1.18;max-width:14em}.hero p{margin:0;max-width:36em;color:var(--muted);font-size:1.0625rem;line-height:1.7;font-weight:400}.cta-row{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:.55rem}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;border-radius:8px;padding:.7rem 1.15rem;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;font-size:.925rem;font-weight:500;transition:background .15s ease,border-color .15s ease,color .15s ease}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:#2a2e36}.btn-ghost{border-color:var(--line-strong);color:var(--ink-secondary);background:transparent}.btn-ghost:hover{border-color:#12141a59;color:var(--ink);background:#12141a08}.section{padding:4.25rem 0;border-top:1px solid var(--line)}.section h2{margin:0 0 .75rem;font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:600;letter-spacing:-.025em;line-height:1.3}.section .lead{color:var(--muted);margin:0 0 2rem;max-width:40em;font-size:1rem;line-height:1.75}.subhead{margin-top:3rem;margin-bottom:.75rem;font-size:clamp(1.2rem,2vw,1.45rem);font-weight:600;letter-spacing:-.02em}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem 1.75rem}@media(max-width:860px){.grid-3{grid-template-columns:1fr}.nav-links{gap:1rem;font-size:.85rem}}.tile{padding:0}.tile h3{margin:0 0 .5rem;font-size:1.05rem;font-weight:600;letter-spacing:-.015em;line-height:1.35}.tile h3 .num{color:var(--muted);font-weight:500;margin-right:.35rem}.tile p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.7}.tile em{font-style:normal;color:var(--ink-secondary)}.copy-block{position:relative;border:1px solid var(--line);background:var(--code-bg);border-radius:var(--radius);padding:1.15rem 1.15rem 1.05rem}.copy-block .copy-btn{position:absolute;top:.65rem;right:.7rem;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--muted);font-size:.8rem;font-weight:500;cursor:pointer;padding:.2rem .35rem;border-radius:4px;line-height:1.2;z-index:1}.copy-block .copy-btn:hover{color:var(--accent)}.copy-block .copy-btn:disabled{opacity:.4;cursor:default}.copy-block pre{margin:0;padding-right:2.5rem;white-space:pre-wrap;word-break:break-word;font-size:.84rem;line-height:1.6;color:var(--code-ink);font-family:var(--font-mono)}.demo-list{display:grid;gap:2rem}.demo-card{border:1px solid var(--line);border-radius:14px;padding:1.35rem 1.35rem 1.25rem;background:var(--bg-elevated)}.demo-head{margin-bottom:1.1rem}.demo-head h3{margin:0 0 .45rem;font-size:1.1rem;font-weight:600;letter-spacing:-.015em;line-height:1.4}.demo-head h3 .num{color:var(--muted);font-weight:500;margin-right:.4rem}.demo-head p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.7}.demo-media{border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#ebe8e2;aspect-ratio:16 / 9;margin-bottom:1rem}.demo-media video{width:100%;height:100%;display:block;object-fit:contain;background:#111}.demo-placeholder{height:100%;display:grid;place-content:center;gap:.35rem;text-align:center;color:var(--muted);padding:1rem;font-size:.9rem}.demo-placeholder code{color:var(--ink-secondary);font-size:.78rem;font-family:var(--font-mono)}.demo-steps{margin:0 0 1rem;padding-left:1.15rem;color:var(--muted);font-size:.925rem;line-height:1.7}.demo-toggle{width:100%;justify-content:center}.demo-prompts{display:grid;gap:.75rem;margin-top:.9rem}.demo-prompt-wrap{display:grid;gap:.55rem}.demo-download{justify-self:start;font-size:.875rem}.demo-prompt.copy-block{padding-top:2rem}.demo-prompt pre{max-height:200px;overflow:auto}.footer{padding:2.25rem 0 3rem;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line);line-height:1.6;text-align:center}.footer a{color:var(--muted);text-decoration:none;transition:color .15s ease}.footer a:hover{color:var(--ink)}